using GameCore.ECS;
using GameCore.ECS.Interfaces;
using GameCore.Events;

namespace GameCore.Logic;

public class LogicSequenceSystem : ISystem
{
    private readonly World _world;

    public LogicSequenceSystem(World world)
    {
        _world = world;
        world.Subscribe<ButtonPressedEvent>(OnButtonPressed);
    }

    public void Update(World world, float deltaTime)
    {
    }

    private void OnButtonPressed(ButtonPressedEvent e)
    {
        var logicEntities = _world.GetEntitiesWith<LogicSequenceComponent>();

        foreach (var entity in logicEntities)
        {
            var logic = _world.GetComponent<LogicSequenceComponent>(entity);
            if (logic == null || (logic.IsOneTimeTrigger && logic.HasTriggered)) continue;

            if (logic.RequiredChannels.Contains(e.ChannelId))
            {
                if (e.NewState)
                    logic.ActivatedChannels.Add(e.ChannelId);
                else
                    logic.ActivatedChannels.Remove(e.ChannelId);

                _world.Logger.Info(
                    $"[LogicSequenceSystem] Channel '{e.ChannelId}' activated. Total {logic.ActivatedChannels.Count}/{logic.RequiredChannels.Count}");

                if (logic.ActivatedChannels.Count == logic.RequiredChannels.Count)
                {
                    _world.Logger.Info("[LogicSequenceSystem] All channels activated. Executing actions.");
                    foreach (var action in logic.OnCompleteActions) action.Execute(_world);

                    if (logic.IsOneTimeTrigger) logic.HasTriggered = true;

                    logic.ActivatedChannels.Clear();
                }
            }
        }
    }
}